7216 CD/P4ADGB
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7216 CD/P4ADGB
Basic Information
System of measurement
Metric
Weight
2.92 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
80 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
140 mm
Outside diameter tolerance
-0.004mm to 0
Width
52 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
17.462 mm
Ball quantity
17
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
31500 lbf
Radial static load rating
33750 lbf
Limiting speed
28 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 452.93
/ each
In Stock
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7216 CD/P4ADGB Bearing Product Overview & Core Advantages
The 7216 CD/P4ADGB is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and rigidity. Engineered to a P4A tolerance class, it delivers superior running accuracy and dimensional stability. Its universal matchable (SU) design allows for flexible mounting in various arrangements to support combined loads efficiently. Preloaded to Light / Class B, this bearing offers optimized stiffness and minimal runout, making it ideal for high-speed spindles and precision machinery where reliability is paramount.
7216 CD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7216 | Basic bearing series, indicating a 80 mm bore, 140 mm OD, and 52 mm width. |
| CD | Contact angle of 15° and specific internal design for high-precision applications. |
| P4A | High precision tolerance class exceeding ABEC 7 standards, ensuring minimal runout and vibration. |
| DGB | Universal Matchable (SU) arrangement, allowing bearings to be mounted in tandem, back-to-back, or face-to-face configurations. |
7216 CD/P4ADGB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design with a 15° contact angle and light preload provides high axial and radial stiffness, capable of handling significant combined loads.
- Precision Performance: Manufactured to P4A tolerance standards with tight dimensional controls on bore, OD, and width, ensuring exceptional running accuracy for high-speed applications.
- Optimized High-Speed Operation: The phenolic cage offers low weight and excellent performance at high rotational speeds, contributing to a limiting speed of 28,000 rpm.
- Superior Material Construction: Made from chrome steel for both rings and balls, providing high hardness, wear resistance, and long service life under demanding conditions.
- Matched Set Flexibility: As a Universal Matchable (SU) bearing supplied in a set of 2, it enables precise preload control and simplified installation in various configurations.
7216 CD/P4ADGB Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers requiring precision bearings with high rigidity.
- Precision Robotics: Joint and arm actuators where accuracy, stiffness, and reliability are critical.
- High-Speed Motors & Spindles: Applications demanding low vibration and high rotational accuracy.
- Medical Equipment: Diagnostic scanners and surgical tools requiring smooth, precise motion control.
- Aerospace & Defense Systems: Guidance systems and instrumentation requiring reliable performance under combined loads.
